The world's gaze has been fixated on the eurozone crisis, which helped push bitcoin back to $300 for the first time since March. But bitcoin has its own crisis brewing, and both offer valuable lessons on what makes a currency valuable--real, digital, or otherwise.

SmartContract CEO Sergey Nazarov lauching his company's products at DEMO In San Jose. Source: CoinDesk One of the most notable features of blockchain-based technology is the ability to provide substantial public proof of information.

In a new video, Matthew Driver, MasterCard’s president for South East Asia, issued a strong rebuke of digital currencies like bitcoin, suggesting that cryptocurrencies carry too many risks to be successful.

The US Government through the US Marshal office has now entered the Bitcoin ‘mixing’ service space, offering an unprecedented service that will “clean” the Bitcoins that were considered “illegal” and turn them into effectively “washed” Bitcoins.

Washington DC is practically a mythological place for many Bitcoiners. As the headquarters of the US federal government, the conspiracy theorists among us tend to view it as the center of a nebulous and all-powerful entity.

Games developer Markus Persson has announced his first commercial release since Minecraft – a tongue-in-cheek spoof seemingly designed to make fun of the big studios. Furthermore, he is accepting optional payment in dogecoin.

If you and I are ready to settle our trade in Bitcoin, this technological marvel is here to stay.

But even a nobel award winning — and stubbornly ideological — economist like Paul Krugman has to be explained this very simple fact. The poster child of traditional finance system has once again tried his very best to besmirch Bitcoin, while repeating the age-old rhetorics related to the digital currency’s longevity as a value-holding asset.

The comments come during a show, ironically called “The Genius of Economics”, where Mr. Krugman is asked about his views on the disruptive digital currencies “such as Bitcoin” and how they refute the idea of government-backed currencies. With a few public laughs that come after this question is asked, the economist begins with saying that “Bitcoin is not looking too good”, a statement that takes everything — that is said afterwards — to the south.

“Money is a pretty amazing thing,” he stammers and states. “Why does a piece of green paper with a dead president on it have value? Ultimately, it’s because other people believe it has value, and [it] circulates. However, there is an anchor for dollar bills which is not gold. It is the fact that you can use it to pay taxes.”

“And then you have someone try creating Bitcoin which has nothing in the end. It’s a purely self-fulfilling prophecy; it is purely levitating on itself, which is not impossible but is kinda unlikely. And I have to say that Bitcoin really looks like a bubble in multiple senses. Its a technically sweet solution to a problem, but it is not clear that the problem is one that has much economical relevance.”

Krugman goes on rubbishing Bitcoin by indicating it as an inessential payment solution, saying that the world already has platforms like credit cards and their monetary system currently already has billion dollars of “ones and zeros” for doing the same thing Bitcoin does.

Catherine: How long have you been interested in space? Jeff: I’ve been interested in space for as long as I can remember. My father flew fighter jets and worked on rockets early in his career. The Right Stuff was a favorite movie, as was Star Wars.

Today, music consumption is stronger than ever, but you probably would not be surprised that a great many consumers are turning to subscription-based platforms rather than actually purchasing songs or albums.

With any new and exciting technology, startups flourish – and bitcoin is no exception. Venture capital investment in the digital currency space is soaring and is likely to hit $300m this year – three times the total for 2013.

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